Seiko Cal. 5660 - 425

Seiko 5660-425

This Automatic model from 1979 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-32e03188096e]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1979

Related Models

seikata-wm-32e03188096e